I have a idea for a kind of terminal (but not a terminal emulator) more in the style of ipython. But the trouble is that multi platform is complicated. Is possible to have a fast html rendered just for the UI and use native code for the rest?
Sure, with Electron/Node you can easily do that: https://nodejs.org/api/addons.html A good example for a performant Electron/Node application is Microsoft VSCode
I like how html/css work for build the UI, but wish not to use node at all. Also, exist a engine more light and fast than webkit?